LPBJ Datasheet PDF

FEATURES

● AM use
● IF filter
● 2 elements OPERATING CONDITIONS/

ELECTRICAL CHARACTERISTICS

PART NUMBER LPB 450J CENTER FREQUENCY (fo) 450 ±2.0 KHz 3dB BANDWIDTH 5.5 ±1.5 KHz SELECTIVITY (±9 KHZ OFF) 17 dB Min. (23) INSERTION LOSS 6 dB Max. (3) 1. Center frequency is available in a range from 450 to 470 KHz. 2. Center frequency shall be defined as the central value of the band at 3dB. 3. Temperatue coefficient of center frequency is based on the center frequency @ 25˚C. ( ) = Typical values PACKAGE DIMENSIONS (mm) 9.0 ±0.3 2.6 ±0.3 R1 1 3 FILTER 5.0 ±0.3 Rg 2 S.S.G. E1 R2 RF E2 V.M. 0.15 ±0.03 3.5 ±0.5 R1 + Rg = 3.0 KΩ Insertion Loss = 2xlog(E1/2/E2) 0.7 Connection 1 Input 2 Ground 3 Output 2.5 ±0.2 1 2 3 0.7 Connection 1 Input 2 Ground 3 Output Figure 2) Measuring Circuit 2.5 ±0.2 2.5 ±0.2 Figure 1) LPBJ Series – Front, Side and Bottom views ITEM \ TYPE WINDING SPECIFICATIONS 3 2 4 x—y 85 T 7 x 7 mm IFT y—Ž —‘ 67 T 90 180pF 23 T x—y 84 T 5 x 5 mm IFT y— Ž —‘ 98 T 65 180pF 33 T Bottom view 6 1 UNLOADED Qu TUNING CAPACITY Figure 3) LPBJ – Recommended IFT Specification ECS, INC.